ePUB (electronic publication) is an eBook file format with extension “.epub”. It is technical standard published by IDPF (International Digital Publishing Forum). EPUB is the most popular freely available eBook format supporting various hardware platforms of eBook readers. This format can be downloaded & read with devices like Smartphones, Tablets, Desktop and eReaders.

For Desktop users to read an ePub eBook file, there are many free tools available like: Calibre, EPUB File Reader, Stanza Desktop etc. Android Users can us Google books for this purpose and iPhone Users can use “iBook”. This format will not be supported by Amazon Kindle, which is very much famous for the eBook reader device. Read Here to know more about Free Tools/editor for the ePub file format.

Do You Know? How To Remove Password Protection From Adobe PDF Files

ePub is the most popular format for eBook creation because it is an Open Format and based on HTML. Yes, if you open any ePub eBook with “RAR” or “ZIP” opener like: WinRAR or “7-Zip”, you can easily see its contents. As this is a structured file format, this contains information in “HTML Files”, Images, CSS Style Sheets, MetaData etc.

For Example: We have created an ePub eBook with Google Docs (Read Here) and this file opened with WinRAR tool, the contents of this file are as shown in below GIF Image:

What is ePUB eBOOK

Earlier, EPUB (Version 2) supports Image format: PNG, JPEG, GIF, SVG but EPUB3 (latest version) which supports HTML5, publications in this format may also contain Video, Audio or other interactivity just like websites in Web Browers.

If you like this article & want to share your valuable opinion & suggestions, then please leave your love in the comment section below. Want More Tricky Article or Tutorial,  Be Connected with us by subscribing our YouTube Channel & Facebook PageYou would also like to know:

FREE Download Adobe Acrobat Reader & Photoshop CS [FULL] Officially [Legal Way]